Here is a page that has websites that will tell you more about erosion! It will also tell you about how it happens and where else erosion effects places. These websites will show you pictures of erosion to help you compare your erosion crisis with the pictures of the website to find out what your erosion is called.
National Geographic
http://science.nationalgeographic.com/science/earth/the-dynamic-earth/weathering-erosion-article/
Wikipedia- Erosion
http://en.wikipedia.org/wiki/Erosion
Brain Pop
http://www.brainpop.com/science/earthsystem/erosion/preview.weml